Skip to content
Delivering to:
Collecting from:

Hydration Packs

Compare (0/5)

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

For the we suggest the following size.

More comfort More speed
Height: --
Inseam: --
Adjusted Height: --

Find Your Size

We have saved your measurements.

Recommended sizes will now be highlighted on the page.

Staying hydrated is crucial while out on the Bike. Shop 99 Bikes range of Hydration Packs of all shapes and sizes to find the right one for you. From large capacity bikepacking packs, to slim and streamlined packs for quick afternoon rides.